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← ScienceWhich outcome impairs efficiency when steam turbines superheat?
A)Reduced nozzle condensation shock
B)Increased turbine blade corrosion✓
C)Lower heat rejection temperature
D)Enhanced inter-stage bearing lubrication
💡 Explanation
Increased turbine blade corrosion occurs because superheating causes elevated steam temperatures, enhancing oxidation. Therefore, corrosion accelerates, shortening blade lifespan and reducing efficiency, rather than improving performance under ideal conditions.
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